| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CSSSyntaxDescriptor_h |
| #define CSSSyntaxDescriptor_h |
| |
| #include "core/css/parser/CSSParserTokenRange.h" |
| |
| namespace blink { |
| |
| class CSSValue; |
| |
| enum class CSSSyntaxType { |
| TokenStream, |
| Ident, |
| Length, |
| Number, |
| Percentage, |
| LengthPercentage, |
| Color, |
| Image, |
| Url, |
| Integer, |
| Angle, |
| Time, |
| Resolution, |
| TransformFunction, |
| CustomIdent, |
| }; |
| |
| struct CSSSyntaxComponent { |
| CSSSyntaxComponent(CSSSyntaxType type, const String& string, bool repeatable) |
| : m_type(type) |
| , m_string(string) |
| , m_repeatable(repeatable) |
| { |
| } |
| |
| CSSSyntaxType m_type; |
| String m_string; // Only used when m_type is CSSSyntaxType::Ident |
| bool m_repeatable; |
| }; |
| |
| class CSSSyntaxDescriptor { |
| public: |
| CSSSyntaxDescriptor(String syntax); |
| |
| const CSSValue* parse(CSSParserTokenRange) const; |
| const CSSValue* parse(const String&) const; |
| bool isValid() const { return !m_syntaxComponents.isEmpty(); } |
| bool isTokenStream() const { return m_syntaxComponents.size() == 1 && m_syntaxComponents[0].m_type == CSSSyntaxType::TokenStream; } |
| |
| private: |
| Vector<CSSSyntaxComponent> m_syntaxComponents; |
| }; |
| |
| } // namespace blink |
| |
| #endif // CSSSyntaxDescriptor_h |